Pretreatment of Populus tomentosa with Trametes velutina supplemented with inorganic salts enhances enzymatic hydrolysis for ethanol production.
Identifieur interne : 002938 ( Main/Exploration ); précédent : 002937; suivant : 002939Pretreatment of Populus tomentosa with Trametes velutina supplemented with inorganic salts enhances enzymatic hydrolysis for ethanol production.
Auteurs : Wei Wang [République populaire de Chine] ; Tongqi Yuan ; Baokai Cui ; Yucheng DaiSource :
- Biotechnology letters [ 1573-6776 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Populus, Sels, Trametes, Éthanol.
- méthodes : Biotechnologie.
- Hydrolyse, Métabolisme glucidique.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Ethanol, Salts.
- metabolism : Populus, Trametes.
- methods : Biotechnology.
- Carbohydrate Metabolism, Hydrolysis.
Abstract
Different nutrients were added into the solid fermentation of woody biomass, Populus tomentosa, to improve pretreatment by a white rot fungus, Trametes velutina. Fungal pretreatment supplemented with trace elements resulted in large amount of lignin loss but low degradation of carbohydrate. Only 12.6 % of Klason lignin was left in the residues pretreated by T. velutina for 8 weeks supplemented with 1 % trace elements (TE group). When fungal-pretreated residues were subjected to enzymatic hydrolysis for 96 h, a maximum reducing sugar yield of 44 % was obtained from the TE group at the 8th week, 2.3 times higher than that of untreated samples. In addition, the highest ethanol yield of 22 % was observed by the fermentation of 8-week pretreated residues from the basic medium plus trace element group, which was five times more than that of untreated samples.
DOI: 10.1007/s10529-012-1031-3
PubMed: 22932933
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Fungal pretreatment supplemented with trace elements resulted in large amount of lignin loss but low degradation of carbohydrate. Only 12.6 % of Klason lignin was left in the residues pretreated by T. velutina for 8 weeks supplemented with 1 % trace elements (TE group). When fungal-pretreated residues were subjected to enzymatic hydrolysis for 96 h, a maximum reducing sugar yield of 44 % was obtained from the TE group at the 8th week, 2.3 times higher than that of untreated samples. In addition, the highest ethanol yield of 22 % was observed by the fermentation of 8-week pretreated residues from the basic medium plus trace element group, which was five times more than that of untreated samples.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22932933</PMID><DateCompleted><Year>2013</Year><Month>04</Month><Day>03</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1573-6776</ISSN><JournalIssue CitedMedium="Internet"><Volume>34</Volume><Issue>12</Issue><PubDate><Year>2012</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Biotechnology letters</Title><ISOAbbreviation>Biotechnol Lett</ISOAbbreviation></Journal><ArticleTitle>Pretreatment of Populus tomentosa with Trametes velutina supplemented with inorganic salts enhances enzymatic hydrolysis for ethanol production.</ArticleTitle><Pagination><MedlinePgn>2241-6</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s10529-012-1031-3</ELocationID><Abstract><AbstractText>Different nutrients were added into the solid fermentation of woody biomass, Populus tomentosa, to improve pretreatment by a white rot fungus, Trametes velutina. Fungal pretreatment supplemented with trace elements resulted in large amount of lignin loss but low degradation of carbohydrate. Only 12.6 % of Klason lignin was left in the residues pretreated by T. velutina for 8 weeks supplemented with 1 % trace elements (TE group). When fungal-pretreated residues were subjected to enzymatic hydrolysis for 96 h, a maximum reducing sugar yield of 44 % was obtained from the TE group at the 8th week, 2.3 times higher than that of untreated samples. In addition, the highest ethanol yield of 22 % was observed by the fermentation of 8-week pretreated residues from the basic medium plus trace element group, which was five times more than that of untreated samples.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Wei</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Institute of Microbiology, Beijing Forestry University, Beijing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yuan</LastName><ForeName>Tongqi</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Cui</LastName><ForeName>Baokai</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Dai</LastName><ForeName>Yucheng</ForeName><Initials>Y</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>08</Month><Day>30</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Biotechnol Lett</MedlineTA><NlmUniqueID>8008051</NlmUniqueID><ISSNLinking>0141-5492</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012492">Salts</NameOfSubstance></Chemical><Chemical><RegistryNumber>3K9958V90M</RegistryNumber><NameOfSubstance UI="D000431">Ethanol</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001709" MajorTopicYN="N">Biotechnology</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D050260" MajorTopicYN="N">Carbohydrate Metabolism</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000431" MajorTopicYN="N">Ethanol</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012492" MajorTopicYN="N">Salts</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055454" MajorTopicYN="N">Trametes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>06</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>08</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>8</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>8</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>4</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22932933</ArticleId><ArticleId IdType="doi">10.1007/s10529-012-1031-3</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Pékin</li></settlement></list><tree><noCountry><name sortKey="Cui, Baokai" sort="Cui, Baokai" uniqKey="Cui B" first="Baokai" last="Cui">Baokai Cui</name><name sortKey="Dai, Yucheng" sort="Dai, Yucheng" uniqKey="Dai Y" first="Yucheng" last="Dai">Yucheng Dai</name><name sortKey="Yuan, Tongqi" sort="Yuan, Tongqi" uniqKey="Yuan T" first="Tongqi" last="Yuan">Tongqi Yuan</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Wang, Wei" sort="Wang, Wei" uniqKey="Wang W" first="Wei" last="Wang">Wei Wang</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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